某孕妇,足月临产,先兆子痫,轻微头痛,血压为140/90mmHg,尿蛋白(++),呼吸、脉搏正常,宫缩好,治疗药物选择( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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